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feat: add the rule to use-das when has variable assignments in sql

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Co-authored-by: leslieyuchen <leslieyuchen@gmail.com>
This commit is contained in:
obdev
2023-10-23 09:14:02 +00:00
committed by ob-robot
parent a46ee110fb
commit bacc417957
23 changed files with 170 additions and 18 deletions
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11
src/sql/session/ob_sql_session_info.cpp
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@ -512,6 +512,17 @@ bool ObSQLSessionInfo::is_index_skip_scan_enabled() const
return bret;
}
bool ObSQLSessionInfo::is_var_assign_use_das_enabled() const
{
bool bret = true;
int64_t tenant_id = get_effective_tenant_id();
omt::ObTenantConfigGuard tenant_config(TENANT_CONF(tenant_id));
if (tenant_config.is_valid()) {
bret = tenant_config->_enable_var_assign_use_das;
}
return bret;
}
void ObSQLSessionInfo::destroy(bool skip_sys_var)
{
if (is_inited_) {

1
src/sql/session/ob_sql_session_info.h
View File

@ -1150,6 +1150,7 @@ public:
bool is_in_range_optimization_enabled() const;
int is_better_inlist_enabled(bool &enabled) const;
bool is_index_skip_scan_enabled() const;
bool is_var_assign_use_das_enabled() const;
ObSessionDDLInfo &get_ddl_info() { return ddl_info_; }
void set_ddl_info(const ObSessionDDLInfo &ddl_info) { ddl_info_ = ddl_info; }